The astronauts' decrease in bone strength measured from point six percent to five percent for each month spent on the space station.

VOA: special.2009.03.10

It is the highest point in Africa, measuring almost six thousand meters.

VOA: special.2009.04.22

But it has taken on new urgency,coming one day after the World Health Organization raised its global swine flu alert to Phase 4 on the six-point scale.

VOA: standard.2009.04.28